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Cheap flights from the United Kingdom to Udon Thani from £569

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Udon Thani departing on 24/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from the United Kingdom to Udon Thani

Recent return flight deals from the United Kingdom to Udon Thani

Logo
09:30 - 19:50LHR-UTH
28h 20m2 stops
Logo
09:00 - 12:45UTH-LHR
33h 45m2 stops
£569
Find Deal
Wed, 24 Sep - Wed, 1 Oct
Logo
09:45 - 16:40LHR-UTH
24h 55m2 stops
Logo
09:00 - 10:15UTH-LHR
31h 15m2 stops
£632
Find Deal
Fri, 5 Sep - Fri, 12 Sep
Logo
09:30 - 14:25LHR-UTH
22h 55m2 stops
Logo
20:20 - 12:45UTH-LHR
22h 25m2 stops
£635
Find Deal
Sun, 21 Sep - Sat, 27 Sep
Logo
06:30 - 14:25LHR-UTH
25h 55m3 stops
Logo
09:00 - 14:35UTH-LHR
35h 35m3 stops
£656
Find Deal
Fri, 5 Sep - Fri, 12 Sep
Logo
06:30 - 16:40LHR-UTH
28h 10m3 stops
Logo
17:10 - 10:15UTH-LHR
23h 05m2 stops
£661
Find Deal
Fri, 5 Sep - Fri, 12 Sep
Logo
21:45 - 08:10LHR-UTH
28h 25m2 stops
Logo
21:25 - 12:45UTH-LHR
21h 20m2 stops
£700
Find Deal
Fri, 5 Sep - Sun, 14 Sep
Logo
21:45 - 08:10LHR-UTH
28h 25m2 stops
Logo
21:25 - 12:45UTH-LHR
21h 20m2 stops
£701
Find Deal
Fri, 5 Sep - Sun, 14 Sep
Logo
20:55 - 08:10LHR-UTH
29h 15m2 stops
Logo
21:25 - 15:15UTH-LHR
23h 50m2 stops
£702
Find Deal
Fri, 5 Sep - Sun, 14 Sep
Thai Airways Logo
21:25 - 08:10LHR-UTH
28h 45m1 stop
Thai Airways Logo
08:40 - 19:15UTH-LHR
16h 35m1 stop
£748Thai Airways
Find Deal
Sun, 21 Sep - Sat, 27 Sep
Thai Airways Logo
21:25 - 08:10LHR-UTH
28h 45m1 stop
Thai Airways Logo
13:55 - 07:15UTH-LHR
23h 20m1 stop
£751Thai Airways
Find Deal
Wed, 24 Sep - Wed, 1 Oct

Thai Airways flights from United Kingdom to Udon Thani

Our best Thai Airways deals on United Kingdom to Udon Thani flight tickets
Thai Airways
21 Sept
LHR21:25London Heathrow
28h 45m
1 stop
UTH08:10Udon Thani
27 Sept
UTH08:40Udon Thani
16h 35m
1 stop
LHR19:15London Heathrow
£748
Find similar
Thai Airways
24 Sept
LHR21:25London Heathrow
28h 45m
1 stop
UTH08:10Udon Thani
1 Oct
UTH13:55Udon Thani
23h 20m
1 stop
LHR07:15London Heathrow
£751
Find similar
Thai Airways
5 Sept
LHR12:30London Heathrow
26h 25m
1 stop
UTH20:55Udon Thani
12 Sept
UTH21:25Udon Thani
27h 50m
1 stop
LHR19:15London Heathrow
£751
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Udon Thani that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 11 August 2025.
Use the filters below to find and compare flights from the United Kingdom to Udon Thani that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Wed 24/9

09:30-19:50

2 stops28h 20m

Udon Thani

Wed 1/10

09:00-12:45

2 stops33h 45m

£569

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Fri 5/9

09:45-16:40

2 stops24h 55m

Udon Thani

Fri 12/9

09:00-10:15

2 stops31h 15m

£632

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sun 21/9

09:30-14:25

2 stops22h 55m

Udon Thani

Sat 27/9

20:20-12:45

2 stops22h 25m

£635

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Fri 5/9

06:30-14:25

3 stops25h 55m

Udon Thani

Fri 12/9

09:00-14:35

3 stops35h 35m

£656

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Fri 5/9

06:30-16:40

3 stops28h 10m

Udon Thani

Fri 12/9

17:10-10:15

2 stops23h 05m

£661

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Fri 5/9

21:45-08:10

2 stops28h 25m

Udon Thani

Sun 14/9

21:25-12:45

2 stops21h 20m

£700

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Fri 5/9

21:45-08:10

2 stops28h 25m

Udon Thani

Sun 14/9

21:25-12:45

2 stops21h 20m

£701

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Fri 5/9

20:55-08:10

2 stops29h 15m

Udon Thani

Sun 14/9

21:25-15:15

2 stops23h 50m

£702

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Sun 21/9

21:25-08:10

1 stop28h 45m

Udon Thani

Sat 27/9

08:40-19:15

1 stop16h 35m

£748

LondonUdon Thani

LHR - UTH

LHRUTH

London Heathrow

Wed 24/9

21:25-08:10

1 stop28h 45m

Udon Thani

Wed 1/10

13:55-07:15

1 stop23h 20m

£751

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Udon Thani from

How to get the cheapest flight ticket from United Kingdom to Udon Thani

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Udon Thani?

The cheapest month to fly to Udon Thani from United Kingdom is in May. Flight prices, which tend to average around £703, are often lower during this time because this is during the off-season. If you don’t want to visit Udon Thani in May, then you should wait until February to fly from United Kingdom, when ticket prices are also cheap, with an average price of £744.

What is the cheapest day to depart on your flight to Udon Thani?

The cheapest day to depart from United Kingdom to Udon Thani is on a Friday. Travellers who choose to depart for Udon Thani on a Friday will often find tickets for as low as £783. On the other hand, Tuesday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £928.

What is the cheapest time of day to depart on your flight to Udon Thani?

According to our data, the cheapest time of day to fly to Udon Thani is in the evening. momondo users have found flights departing from United Kingdom to Udon Thani in the evening for as low as £831. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Udon Thani are more costly in the morning, with an average ticket price of £835. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap United Kingdom to Udon Thani flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Udon Thani

Best price found

£569

Fastest flight time

15h 10m

Direct flights

None

Airports in Udon Thani

1 airport
The best flight deal from United Kingdom to Udon Thani found on momondo in the last 72 hours is £569
The fastest flight from United Kingdom to Udon Thani takes 15h 10m
There are no direct flights from United Kingdom to Udon Thani. Popular non-direct route for this connection is London Heathrow Airport - Udon Thani Airport.
There is 1 airport near Udon Thani: Udon Thani (UTH)
Search flight deals

  • When did momondo last update prices for flights from United Kingdom to Udon Thani Airport?

    Prices for flights from United Kingdom to Udon Thani Airport were last updated today.

  • How many operators does momondo search for flights from United Kingdom to Udon Thani Airport?

  • How old do you have to be to fly from United Kingdom to Udon Thani Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United Kingdom to Udon Thani Airport.

  • What documentation or ID do you need to fly to Udon Thani Airport?

    The necessary travel and health documents for your Udon Thani Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from United Kingdom to Udon Thani

Compare and see reviews for airlines that fly from United Kingdom to Udon Thani with momondo
Airline
Rating
Free Cancellation
Price
Thai AirwaysPriceFrom £681Free CancellationRating
7.8
343 reviews
Search Thai Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Udon Thani?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United Kingdom to Udon Thani. momondo saves you time and could save you money on your trip.

Can I find flights from United Kingdom to Udon Thani with flexible booking policies on momondo?

momondo does allow users to show only those flights to Udon Thani from United Kingdom which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from United Kingdom to Udon Thani?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to Udon Thani.

I’m not ready to book a flight from United Kingdom to Udon Thani right now. Can momondo alert me if prices change?

If you are not ready to book a flight from United Kingdom to Udon Thani now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Udon Thani and let you know when they change.

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